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SA-023 Grade B Phase 3

SA-023 Extended Steganographic Analysis Report

Generated: 2025-12-30T19:20:45.331700

Technical Diagrams

Image Dimension Correlation Line 39
| Dimensions | Image Count | Unique Patterns |
|------------|-------------|-----------------|
| 100x100 | 8 | 5 |
| 120x1 | 1 | 1 |
| 160x160 | 1 | 1 |
| 261x348 | 1 | 1 |
| 320x249 | 1 | 1 |
| 336x720 | 1 | 1 |
| 338x600 | 1 | 1 |
| 362x480 | 1 | 1 |
| 374x280 | 1 | 1 |
| 378x280 | 1 | 1 |
| 443x960 | 1 | 1 |
| 452x600 | 1 | 1 |
| 540x960 | 2 | 1 |
| 543x720 | 1 | 1 |
| 56x56 | 2 | 2 |
| 600x450 | 1 | 1 |
| 600x750 | 1 | 1 |
| 607x960 | 1 | 1 |
| 684x960 | 1 | 1 |
| 720x378 | 1 | 1 |
| 720x405 | 1 | 1 |
| 720x720 | 4 | 4 |
| 767x565 | 1 | 1 |
| 768x960 | 2 | 1 |
| 800x200 | 3 | 1 |
| 800x400 | 1 | 1 |
| 853x960 | 1 | 1 |
Potentially Meaningful Float Values Line 78
| Value | File | Interpretation |
|-------|------|----------------|
| -2.125000 | img_FBImageDownloader-162c3472 | rgb_order |

Generated: 2025-12-30T19:20:45.331700

Overview

This report provides extended analysis of the 42 images processed.

Audio Sample Interpretation

PCM-16 Statistics

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PCM-8 Statistics

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Pattern Structure Analysis

Combined X Offset Bits

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Combined Z Offset Bits

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Image Dimension Correlation

DimensionsImage CountUnique Patterns
100x10085
120x111
160x16011
261x34811
320x24911
336x72011
338x60011
362x48011
374x28011
378x28011
443x96011
452x60011
540x96021
543x72011
56x5622
600x45011
600x75011
607x96011
684x96011
720x37811
720x40511
720x72044
767x56511
768x96021
800x20031
800x40011
853x96011

IEEE 754 Float Analysis

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Potentially Meaningful Float Values

ValueFileInterpretation
-2.125000img_FBImageDownloader-162c3472rgb_order

Key Findings

Bit Pattern Observations

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Audio Interpretation Assessment

The extracted bit patterns show characteristics inconsistent with typical audio encoding:

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Most Likely Interpretation

The extracted data appears to be **image color gradient artifacts** from the shader's adaptive thresholding algorithm, rather than hidden steganographic audio data.

The shader algorithm converts pixel colors to binary based on relative channel intensity, which naturally produces repetitive patterns when applied to photos with color gradients.

Recommendations

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